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ceph: Fix incorrect flush end position calculation

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[ Upstream commit f452a2204614fc10e2c3b85904c4bd300c2789dc ]

In ceph, in fill_fscrypt_truncate(), the end flush position is calculated
by:

                loff_t lend = orig_pos + CEPH_FSCRYPT_BLOCK_SHIFT - 1;

but that's using the block shift not the block size.

Fix this to use the block size instead.

Fixes: 5c64737d25 ("ceph: add truncate size handling support for fscrypt")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
David Howells
2025-03-12 10:47:11 +00:00
committed by Greg Kroah-Hartman
parent 984830d902
commit aef37505c4
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/inode.c
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@@ -2362,7 +2362,7 @@ static int fill_fscrypt_truncate(struct inode *inode,
/* Try to writeback the dirty pagecaches */
if (issued & (CEPH_CAP_FILE_BUFFER)) {
loff_t lend = orig_pos + CEPH_FSCRYPT_BLOCK_SHIFT - 1;
loff_t lend = orig_pos + CEPH_FSCRYPT_BLOCK_SIZE - 1;
ret = filemap_write_and_wait_range(inode->i_mapping,
orig_pos, lend);